2.3 Checking shock absorbers when re‐
moved
Defective shock absorbers can be identified by loud rumbling
noises when driving, caused by wheel hopping, especially on bad
roads. Heavy fluid leakage is an additional visual indication.
Note
Shock absorbers are maintenance-free; shock absorber fluid can‐
not be topped up.
After removal, a shock absorber can be checked by hand as fol‐
lows:
– Compress shock absorber by hand.
• The piston rod should move smoothly over the entire stroke
with uniform resistance and without jolts.
– Release the piston rod.
• If the shock absorber has sufficient gas pressure the piston
rod will return by itself to its original position.
Note
♦
If this is not the case, the shock absorber does not necessarily
need to be renewed. Provided there has been no major loss
of fluid, it will still be as effective as a conventional shock ab‐
sorber.
♦
Even without gas pressure, the shock absorber will provide full
damping effect as long as there has been no major loss of fluid.
However, it may produce more noise.
2.4 Steering rack
To achieve the desired results when performing repairs on the
steering box it is important to work with the greatest possible care
and cleanliness, and to use proper tools in good condition. Always
observe the basic safety rules when performing servicing proce‐
dures.
A number of general notes on the individual repair procedures,
which were otherwise repeated in the relevant sections of the
manual, are summarised here. They apply for this particular work‐
shop manual.
♦ Thoroughly clean all unions and the adjacent areas before
disconnecting.
♦ Ensure proper seating of dowel sleeves for centralising sus‐
pension bracket and steering box when installing.
♦ Place parts that have been removed on a clean base and cov‐
er them so that they do not get dirty. Use foil or paper. Use
only lint-free cloths.
♦ Only fit clean parts: remove the wrapping of the spare just be‐
fore use.
♦ Use only the grease and sealants with specified part numbers.
♦ If repair work cannot be performed immediately, carefully cov‐
er or seal components.
León 2013 ➤ , León ST 2013 ➤
Running gear, axles, steering - Edition 06.2018
4 Rep. gr.00 - Technical data
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